When you discovered that a standard sheet of five-eighths-inch dry wall weighs 73.6 pounds, you wisely decided not to try to muscle the 32-square-foot sheets to the ceiling of your new room addition.

While there is no such thing as a perfect building material, drywall comes pretty close. For one thing, it's dirt cheap, costing about $7 for a 1/2-in.-thick 4 x 8 panel. It's also DIY friendly--about ...

Q. I am converting my garage into a playroom. I watched videos on how to hang drywall, but I want to avoid mistakes. What common problems arise when hanging drywall for the first time?— Brad S. A.